【正确答案】 From the 1970s, developed countries such as the United States, the United Kingdom and Germany began to conduct research on driverless cars, making breakthroughs in both feasibility and practicality. But it is still in its infancy. So far, Google's self-driving car, launched in 2012, has had 14 minor accidents. If perfected, driverless cars can provide safer road conditions for everyone, reduce insurance costs and increase mobility for the elderly, patients and people with disabilities.